Change to allow graphlot's HH:MM_YYYYmmdd format to be properly handled when loading events
metric_path isn't a property of a node, but path is.
fix additional edge cases in stacked code

single stack mode erroneously triggered with areaMode=stacked
more drawAsInfinite edge cases
Merge pull request #159 from 'cognusion/master'

Added a case for parseATTime, and a bugfix